Log Message:
Update to 1.4.8:

Changes in 1.4.8-stable:
 o Match the query in DNS replies to the query in the request; from Vsevolod Stakhov.
 o Fix a merge problem in which name_from_addr returned pointers to the stack; \ 
found by Jiang Hong.
 o Do not remove Accept-Encoding header

Changes in 1.4.7-stable:
 o Fix a bug where headers arriving in multiple packets were not parsed; fix \ 
from Jiang Hong; test by me.

Changes in 1.4.6-stable:
 o evutil.h now includes <stdarg.h> directly
 o switch all uses of [v]snprintf over to evutil
 o Correct handling of trailing headers in chunked replies; from Scott Lamb.
 o Support multi-line HTTP headers; based on a patch from Moshe Litvin
 o Reject negative Content-Length headers; anonymous bug report
 o Detect CLOCK_MONOTONIC at runtime for evdns; anonymous bug report
 o Fix a bug where deleting signals with the kqueue backend would cause \ 
subsequent adds to fail
 o Support multiple events listening on the same signal; make signals regular \ 
events that go on the same event queue; problem report by Alexander Drozdov.
 o Deal with evbuffer_read() returning -1 on EINTR|EAGAIN; from Adam Langley.
 o Fix a bug in which the DNS server would incorrectly set the type of a cname \ 
reply to a.
 o Fix a bug where setting the timeout on a bufferevent would take not effect if \ 
the event was already pending.
 o Fix a memory leak when using signals for some event bases; reported by \ 
Alexander Drozdov.
 o Add libevent.vcproj file to distribution to help with Windows build.
 o Fix a problem with epoll() and reinit; problem report by Alexander Drozdov.
 o Fix off-by-one errors in devpoll; from Ian Bell
 o Make event_add not change any state if it fails; reported by Ian Bell.
 o Do not warn on accept when errno is either EAGAIN or EINTR